expression
respectable; decent; not vulgar
A classical negative form of 卑しい (いやしい, 'vulgar, lowly'), meaning 'not vulgar' or 'respectable'. Used in literary or formal contexts; in modern Japanese, 卑しくない or other expressions are more common.
彼の立ち居振る舞いは卑しからぬものだった。
His bearing was not vulgar; it was respectable.
その家は卑しからぬ家柄のようだ。
That family seems to be of decent lineage.